All of the following are factors in the flow of lymph EXCEPT
A) respiratory movements that produce pressure gradients
B) valves that prevent the backflow of lymph in the vessels
C) skeletal muscle action that produces pressure gradients
D) contraction of the heart that produces pressure to move the lymph

Question

Quizplus · Accepted Answer

The contraction of the heart does not play a significant role in the flow of lymph as lymph vessels do not have a direct connection with the heart. The other factors listed - respiratory movements, valves, and skeletal muscle action - are all important in promoting the movement of lymph through the vessels.

All of the Following Are Factors in the Flow of Lymph